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Potential of Hybrid and Diesel Powertrains

Old Dec 23, 2006 | 08:51 PM
  #1  
bwilson4web's Avatar
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Joined: Oct 2005
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From: Huntsville, AL
Default Potential of Hybrid and Diesel Powertrains

http://www.ornl.gov/~webworks/cppr/y2004/rpt/121097.pdf

Originally Posted by 121097.pdf
Future Potential of Hybrid and Diesel
Powertrains in the U.S. Light-Duty
Vehicle Market
. . .
Diesel and hybrid technologies each have the potential to increase light-duty vehicle fuel economy by a third or more without loss of performance, yet these technologies have typically been excluded from technical assessments of fuel economy potential on the grounds that hybrids are too expensive and diesels cannot meet Tier 2 emissions standards. Recently, hybrid costs have come down and the few hybrid makes available are selling well. Diesels have made great strides in reducing particulate and nitrogen oxide emissions, and are likely though not certain to meet future standards. In light of these developments, this study takes a detailed look at the market potential of these two powertrain technologies and their possible impacts on light-duty vehicle fuel economy. . . .
This is a fair evaluation of the respective technologies and how they together can improve US fleet mileage.

Bob Wilson
 
Old Dec 28, 2006 | 08:32 PM
  #2  
plusaf's Avatar
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Joined: Feb 2006
Posts: 225
From: Raleigh, NC
Default Re: Potential of Hybrid and Diesel Powertrains

Originally Posted by bwilson4web
http://www.ornl.gov/~webworks/cppr/y2004/rpt/121097.pdf

This is a fair evaluation of the respective technologies and how they together can improve US fleet mileage.

Bob Wilson
i'm with you on this, Bob! with electric assist hybrid to get the car moving and allow a small, low-emission diesel to run in a narrow rpm range, i'd guess that a prius II class machine would average a real-life 60 mpg. maybe 80 with the new batteries and moe of them, and still cruise all day at 80 mph with some good gearing...
(drool)...
 
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